246 results about "Optical instrument" patented technology

A neurosurgery system for probing brain tissue of a patient for tumorous tissue. The system including a suction tool, an excitation source, an optical instrument, and a controller. The suction tool including a suction cannula defining a lumen, an optical fiber configured to transmit fluorescence emitted by the brain tissue; and an indicator configured to selectively emit visible light. An excitation source is configured to emit an excitation light having a wavelength to induce the fluorescence in the tumorous tissue. The optical instrument is coupled to the optical fiber. The optical instrument configured to convert the fluorescence emitted by the brain tissue and transmitted by the optical and configured to determine that the brain tissue is tumorous based on the electrical signal and activate the indicator based on the determination.

An Embodiment includes a stationary unit including a second circuit board, a moving unit including a first circuit board disposed on the second circuit board and an image sensor conductively connected to the first circuit board, and a support unit connecting the first circuit board and the second circuit board and configured to support the moving unit so as to be movable in a direction perpendicular to an optical axis direction, wherein the support unit includes an extension member that includes a plurality of wirings conductively connected to the second circuit board, and the support unit includes a bent region, and a width of a first wiring firstly closest to the bent region among the plurality of wirings is larger than a width of a second wiring secondly closest to the bent region among the plurality of wirings.

Provided is an optical instrument capable of obtaining desired polarization characteristics. The optical instrument is an optical instrument provided with a light source, an incident-side polarization element, a light modulation element, an exit-side first polarization element, and an exit-side second polarization element. The exit-side first polarization element has a wire grid structure and is provided with a plurality of convex portions arranged separately from each other at a pitch shorter than the wavelength of light of a wavelength band used by the light source on one surface of a transparent substrate. The rotation angle of the transmission axis of the exit-side first polarization element with respect to the transmission axis of the incident-side polarization element is within ±8.5°. The exit-side second polarization element has a wire grid structure and is provided with a plurality of convex portions arranged separately from each other at a pitch shorter than the wavelength of light of a wavelength band used by the light source on one surface of a transparent substrate. The convex portions are lattice-shaped convex portions extending in a predetermined direction. The lattice-shaped convex portions sequentially have a reflection layer, a dielectric layer, and an absorption layer from the transparent substrate side. The rotation angle of the absorption axis of the exit-side second polarization element with respect to the absorption axis of the incident-side polarization element is within ±0.7°.

The invention discloses an orthogonal electric drive SMA wire imitated face-centered cubic lattice variable stiffness topological structure, and belongs to the technical field of variable stiffness structures. The whole structure is a cubic frame, is arranged in a face-centered cubic lattice mode, is of a tensegrity structure and achieves self-balance by means of prestress. The structure comprises 1 / 4 spherical nodes located at eight angular points, 1 / 2 spherical nodes located at six face centers, connecting rods and shape memory alloy wires which are orthogonally arranged along twelve edges. The length and the rigidity of each wire can be adjusted by controlling the electrifying current of each wire, so that the directional and continuous adjustment of the rigidity of the whole structure is realized. The magnets are embedded in the spherical nodes, adjacent units can be freely expanded in the X direction, the Y direction and the Z direction through face-to-face combination, and good modularization and reconfigurability are achieved. The invention has the advantages of light structure, simple and convenient control decoupling, expandable space, adjustable rigidity and the like, and can be applied to the fields of ship-borne equipment, industrial robots, optical instruments, rehabilitation assistive devices and the like.

The present application provides an optical glass, which contains, in terms of mole percentage, SiO2: 25-40%; B2O3: 1-8%; La2O3: 1-8%; BaO: 1-6%; CaO: 5-25%; Nb2O5: 5-15%; TiO2: 8-20%; Li2O: 1.5-15%. By containing appropriate amounts of SiO2 and alkali metal oxides and other components, the optical glass has excellent anti-crystallization performance; by containing high refractive index components such as Nb2O5 and TiO2, the optical glass has a relatively high refractive index; by reasonable component design, the glass has a relatively low relative partial dispersion.

The application discloses an optical instrument performance detection system and method based on multi-source data fusion analysis, and relates to the technical field of optical instrument detection, to solve the technical problem that in the prior art, the signal characteristics of environmental light interference and product defects are prone to confusion, and specifically, through the cooperative work of an instrument self-calibration module, a calibration evaluation unit, an environmental light interference detection unit and a health state prediction unit, a full-process intelligent detection system is constructed, the application of multi-source data fusion technology breaks through the limitation of traditional single data detection, multi-modal feature matching, time series data analysis, grid fine monitoring and other technologies improve the accuracy and comprehensiveness of detection, accurate differentiation of environmental light interference and product defects reduces misjudgment and missed judgment, and the proactive maintenance of the hardware health state reduces downtime loss.

The invention discloses a miniaturized multi-dimensional adjustable parallel laser generating device, and relates to the technical field of optical instrument manufacturing and application. The combination of the lens and the reflector can effectively obtain multiple beams of high-precision parallel light; through the design of the adjusting knob, the mirror holder and the displacement table device on the mirror bracket, on the basis of minimizing the occupied space, any dimension adjustment in the X direction, the Y direction, the Z direction, the alpha angle direction, the beta angle direction and the gamma angle direction can be carried out, and the flexibility and the convenience of adjusting the optical device are improved. By the adoption of the improved design, operation is easy and flexible, the device is small and exquisite, space is saved, multi-dimensional adjustable high-parallelism multiple light beams can be obtained through a single laser beam, and high engineering practicability and operability are achieved.

An embodiment comprises: a housing comprising side parts, a first corner part, a second corner part, a third corner part, and a fourth corner part, in which each of the first corner part, the second corner part, the third corner part and the fourth corner is disposed between two adjacent side parts; a bobbin disposed in the housing; a first coil disposed on an outer surface of the bobbin; first magnets disposed on the side parts of the housing; a first circuit board disposed on the first corner part and comprising a first pad, a second pad, a third pad, a fourth pad, a fifth pad and a sixth pad; a first location sensor disposed on the first circuit board and electrically connected to the first pad, the second pad, the third pad, the fourth pad, the fifth pad and the sixth pad; first, second, third and fourth upper springs disposed apart from each other on the housing; and first and second lower springs coupled to a lower portion of the housing, electrically connected with the first coil, and coupled to the fifth and sixth pads, wherein each of the first to fourth upper springs is coupled to a corresponding one of the first to fourth pads in the first corner part.

The utility model belongs to the technical field of optical instruments, and particularly relates to an optical tweezer optical path module and a cell optimization system. The optical tweezer optical path module comprises a supporting base, a laser head mounting seat and a multi-stage attenuation module. The laser head mounting seat is arranged on the supporting base and is used for mounting a laser emitting head for emitting laser; and the multi-stage attenuation module is arranged on the supporting base and comprises a plurality of reflection attenuation mirror groups which are arranged on the light path at intervals, and each reflection attenuation mirror group is used for attenuating the laser intensity and changing the laser direction. The optical tweezer optical path module provided by the utility model has a multi-attenuation mechanism, and a relatively large attenuation multiple range is easier to realize, so that laser power adjustment in a relatively large range is realized, the laser power dynamic adjustment capability is favorably improved, the laser intensity is finely controlled, and cells are not damaged when various cells are fixed through an optical trap formed by laser.

The invention relates to the technical field of quantum sensing and optical instruments, and discloses integrated equipment for representing nitrogen vacancy color center quantum characteristics and sensing sensitivity, which comprises a laser module, an inverted optical microscope module, an electronic control and data acquisition module and a system software control module, the laser module realizes continuous laser beam output or pulse laser beam output through light path selection; the inverted optical microscope module receives the laser beam and collects the nitrogen vacancy color center of the sample, and selectively guides fluorescence to the confocal single photon counting branch or the analog signal detection branch through the light path selection mechanism; the electronic control and data acquisition module is responsible for driving each device and processing signals from different detection branches; and the system software control module cooperates with each module to execute quantum characteristic characterization and sensing sensitivity evaluation tasks. Through deep integration of software and hardware, dual-mode measurement is realized on a single platform, and the device has the advantages of high function integration level, compact structure, convenience in operation and high measurement efficiency.

The application discloses a kind of remotely controllable optical fiber test system and equipment, method, storage medium, it is related to optical instrument technical field.The optical fiber test system includes first optical fiber test equipment and second optical fiber test equipment, and the output port of first optical fiber test equipment is connected with the output port of second optical fiber test equipment between the optical fiber to be measured;Second control module in second optical fiber test equipment is used to send the first message that can close first laser module to first control module in first optical fiber test equipment when second laser module is detected by second laser module in second control module, and receive the second message that can open second laser module sent by first control module, and receive the third message sent by first control module when first laser module is detected by first laser module in first control module, and the third message includes the first optical power of first laser module.Using the system of the application can be conveniently detected, and processing efficiency is greatly improved.

The present invention relates to a device (1) for reducing a particle density of a sample of a suspension of particles in a liquid, the device comprising a measurement flow path (13) for characterizing the sample of the suspension, wherein the device (1) is configured to withdraw a sample of the suspension residing in a main vessel (100), and to dilute the sample, particularly when a measure indicative of the particle density in the sample is above a pre-defined threshold.

The invention discloses interferometer installation and adjustment equipment and an installation and adjustment method, the interferometer installation and adjustment equipment is suitable for installing and adjusting an interferometer of a side hanging type laser, and the interferometer installation and adjustment equipment comprises an optical axis indication assembly which is configured on an interferometer mainboard and is provided with an eccentric reference and an inclined reference; the laser adjusting mechanism at least has an eccentric adjusting degree of freedom and an inclined adjusting degree of freedom, so that an output light beam of the laser device is adaptive to an eccentric reference and an inclined reference of the optical axis indication assembly; and the light path turning assembly is configured on the interferometer, and when the laser is laterally hung on the side plate of the interferometer, the light path turning assembly cooperates with the optical axis indication assembly to complete secondary attitude adjustment of the laser, so that the light path of the laser meets the working requirements of the interferometer. According to the invention, the adjustment efficiency and the adjustment precision of the interferometer can be improved, and the method is especially suitable for the adjustment scene of the interferometer of a large-size and heavy-weight side-hung laser.

An image processing device according to the present embodiment includes: a setting unit configured to set a first parameter for a first pattern extending in a first direction on a reference image plane, based on a first sample image area that is an area including the first pattern, and set a second parameter for a second pattern extending in a second direction orthogonal to the first direction, based on a second sample image area that is an area including the second pattern; an obtaining unit configured to obtain a specimen image that is a captured image taken through a predetermined image capturing optical system by capturing an image of a specimen that has a third pattern extending in the first direction and a fourth pattern extending in the second direction; and a processing unit configured to perform predetermined information processing for the specimen image.

The utility model relates to the technical field of optical instruments, in particular to a moving device for an optical instrument, which comprises a table board, a first sliding groove is formed in the inner side of the table board, a second sliding groove is formed in the side face of the inner wall of the first sliding groove, and a sliding block is slidably connected to the side face of the inner wall of the first sliding groove. Sliding blocks matched with the second sliding grooves are fixedly connected to the bottoms of the sliding blocks, a concave groove is formed in the inner side of one sliding block, a groove is formed in the outer side of the table plate, a magnetic block is fixedly connected to the side face of the inner wall of the concave groove, and a lifting assembly is arranged at the bottom of the table plate. The lifting assembly comprises a fixing frame fixedly connected with the bottom of the table board, and a hydraulic push rod is fixedly connected to the inner wall of the fixing frame. And through cooperative arrangement of a hydraulic push rod, a suction cup, a magnetic block, a sliding block, an empty groove and a rubber block, the sliding block, the sliding cylinder, the lifting rod and the display screen can be dragged downwards conveniently, so that the display screen is clamped with the groove, and storage and placement of the display screen are facilitated.

The invention discloses a screening method for early display of electrical badness of a thin film transistor display panel, and relates to the technical field of display panel inspection, in particular to the screening method for early display of electrical badness of the thin film transistor display panel, which comprises the following steps: applying an electrical signal to each circuit layer electrode of the TFT panel through an array generator; applying a signal to the panel by using a Probe structural body, or moving the Probe structural body to a position above each unit panel through a Stage structural body; electrical aging is performed on a panel active region and a GOA loop part, so that potential defects caused by foreign matters or abnormal characteristics of an insulating film are exposed as actual electrical defects in advance. According to the method, the badness is identified and positioned by monitoring the variation of resistance, voltage, current and the like, and an optical instrument can be adopted for accurate positioning. The Probe structural body can adapt to various contact terminals according to the characteristics of the bonding pad, and the Stage structural body can move accurately. According to the method, potential defects can be effectively screened, and the panel yield is improved.

The utility model discloses visual function adjustment training appearance and system relates to ophthalmic optics instrument technical field. A kind of visual function adjustment training appearance, including display panel and light stimulation part, the front of display panel includes the display for output visual stimulation information;The light stimulation part includes the light district at the outer periphery of display panel front, and light district is arranged with light emitting piece to radiate the light of preset wavelength for user visual, and the eyes of the user are illuminated. The utility model improves the adjustment and training effect of visual function by the synergistic effect of visual stimulation information and illumination.

Examples of the disclosure relate to optical apparatus for adjusting the size or position of an exit pupil. Example apparatus comprise a light guide configured to receive an input beam of light and provide a first expanded output beam of light and a second expanded output beam of light. The first expanded beam of light is directed in a first direction and the second expanded beam of light is directed in a second direction. The apparatus also comprises at least one optical component, spaced from the light guide, and configured to reflect at least part of the second expanded output beam of light towards the first direction to provide a combined exit pupil. The combined exit pupil comprises the first expanded beam of light and the second expanded beam of light wherein the combined exit pupil comprises a non-overlapping region.

The invention discloses a four-degree-of-freedom decoupling reflector installation and adjustment method, which relates to the technical field of optical instruments and comprises four processes of installing an emergent lens group, installing and adjusting a reflection mechanism, checking and adjusting and installing an incident lens group. A four-degree-of-freedom decoupling optical path adjusting mechanism is formed through the movement of the reflection mechanism in the first direction, the movement of the incident mirror group in the second direction and the swinging of the reflection mirror in two orthogonal angle directions, so that the operation difficulty and the time cost are reduced, and the installation and adjustment precision and reliability of the optical path system are improved; and the optical axis consistency of the light path system in the light path turning process is ensured.

To increase the rigidity of a connecting mechanism of a vibration type actuator without increasing its size and to suppress the collapse of a movable part.SOLUTION: A vibration type actuator 1 has a configuration in which a movable guide member 115 connected to a vibration body 111 is movable in a driving direction D1 with respect to a fixed guide member 123 connected to a friction member 121, and a connecting member 131 connecting the movable guide member 115 and the object to be driven is urged on the movable guide member 115 in the driving direction D1 by a pressing member 132. A direction of a first moment M1 to which the movable guide member 115 is subjected due to acceleration of the movable guide member 115 and a direction of a second moment to which the movable guide member 115 is subjected due to a frictional force generated in a contacting part between a contacting surface 115b of the movable guide member 115 and a contacting body 131a of the connecting member 131 are reversed.SELECTED DRAWING: Figure 4

The utility model discloses a kind of polishing mechanisms for optical instrument processing, including drive assembly, drive assembly output end connection is equipped with grinding wheel, grinding wheel side is provided with water spraying device, drive assembly side is provided with speed regulator, and speed regulator includes fixed pipe, standpipe, adjust sleeve, moving block, conical frame, cooperation lever, cooperation sleeve and moving groove, conical frame outside is slidably connected with moving block by moving groove, cooperation lever is connected at one end of conical frame, cooperation sleeve is connected in adjust sleeve inside, fixed pipe outside is equipped with fastening mechanism, and fastening mechanism includes screw rod, large gear, fixed plate, fastening sleeve, fastening spring, fastening block, pinion, rotating sleeve, screw sleeve and cylindrical block, screw rod is connected at one side of fastening sleeve, large gear is connected at one side of rotating sleeve, fastening spring is connected with fastening block, pinion is installed at the top end of screw sleeve, the utility model realizes dust fall treatment, and realizes the adjustment of cooling water conveying speed at the same time, and the structural stability after adjustment is guaranteed.

The application provides a kind of dual optical path split type continuous zoom infrared thermal imager adjustment method, which belongs to the technical field of precise optical instrument adjustment, the adjustment method first takes the reference surface at the front end of the base of fixed focal length optical path as the total reference for adjustment, carries out imaging adjustment of fixed focal length optical path, then carries out imaging adjustment of continuous zoom optical path, adjusts in the order of parfocal adjustment, optical axis consistency adjustment, optical axis and detector center position adjustment, to complete the imaging adjustment of dual optical path split type continuous zoom infrared thermal imager. By using this method, the difficulty of adjusting the dual optical path split type continuous zoom infrared thermal imager is effectively reduced, the repeated adjustment process is reduced, and the imaging adjustment efficiency and quality of the dual optical path split type continuous zoom infrared thermal imager are improved.

A variable magnification optical system (ZL) comprises a first lens group (G1) having a positive refractive power, a second lens group (G2) having a negative refractive power, a third lens group (G3) having a positive refractive power, and a rear group (GR), wherein: when magnification is being varied from a wide-angle end state (W) to a first telephoto end state (T1), intervals between each adjacent lens group are varied, the first lens group (G1) is fixed relative to an image plane I, and N1 lens groups, where N1 is a number at least equal to 3, are moved along an optical axis; and when the magnification is being varied from the first telephoto end state (T1) to a second telephoto end state (T2), the first lens group G1 is fixed relative to the image plane I and N2 lens groups, where N2 is a number smaller than N1, are moved along the optical axis.

Implementations include a fixed part including a cover member, a base coupled to the cover member, and a coil disposed on the base, a moving part including a magnet facing the coil and movable by interaction between the magnet and the coil, a first heat dissipation member disposed on the base, and a second heat dissipation member connected to the first heat dissipation member and exposed from the cover member.

An image acquisition assembly for an optical instrument comprises a beam-splitting prism (30) with a light-entry surface (31), a dichroic reflective layer (32) or interface, a first light-emission surface (34) and a second light-emission surface (35), at least two image sensors (40, 50), and a mounting device. A first image sensor (40) is located at the first light-emission surface (34) of the prism (30), and a second image sensor (50) is located at the second light-emission surface (35) of the prism (30). The mounting device includes a first socket (60; 60'; 60") for mechanically rigidly connecting the first image sensor (40) to the prism (30) and a second socket (80; 80'; 80") for mechanically rigidly connecting the second image sensor (50) to the prism (30).The first version (60; 60'; 60") has at least one stop for abutting a first stop surface (36) of the prism (30) and for abutting a stop surface (46) on the first image sensor (40). The second version (80; 80'; 80") has at least one stop for abutting a second stop surface of the prism (30) and / or for abutting a stop surface (56) on the second image sensor (50), wherein a defined gap is provided between the prism (30) and the first image sensor (40) and / or between the prism (30) and the second image sensor (50). A defined gap is provided between the prism (30) and the first image sensor (40) and / or between the prism (30) and the second image sensor (50).

The present invention provides an optical element unit with high environmental resistance and positional accuracy, a method for manufacturing the optical element unit, and an optical instrument. [Solution] An optical element unit comprising a first optical element and a second optical element, wherein the first optical element and the second optical element are joined via a joint formed by solid-state bonding of inorganic material between the peripheral edge of the first optical element and the peripheral edge of the second optical element, and a hollow portion is provided inside the peripheral edges between the joined first optical element and the second optical element.

The present embodiment relates to a camera device comprising: a base; a holder disposed on the base; a magnet disposed on the holder; a coil interacting with the magnet; a ball disposed between the base and the holder; and a yoke on which an attractive force acts with the magnet, wherein the magnet comprises a first surface facing the yoke, and a protrusion part protruding from the first surface toward the yoke.

The invention relates to the technical field of optical instruments, and discloses a large-field-of-view Porro-type independent focusing binocular which comprises a far lens barrel, a focusing device is rotatably connected to the inner wall of the far lens barrel, a lens ring is fixedly connected to the right side of the far lens barrel, a visual lens is fixedly connected to the left side of the far lens barrel, and the focusing device is rotatably connected to the inner wall of the far lens barrel. A mounting block is fixedly connected to the surface of the mirror ring, protective covers are rotatably connected to the two sides of the inner wall of the mounting block through rotating shafts, the cleaning assembly comprises a mounting disc in sliding connection with the inner walls of the protective covers, a movable ring is rotatably connected to the inner wall of the mounting disc through a rotating shaft, and a telescopic disc is slidably connected to a groove hole in the top of the movable ring. By arranging the cleaning assembly, water drops on the surface of the lens can be wiped through the cleaning film on the surface of the connecting arm, the water drops on the lens in the lens ring can be quickly removed without influencing the observation position of the telescope, and the cleaning efficiency of the lens in the lens ring can be improved.